/Engine/Source/Editor/UnrealEd/Classes/Preferences/LightmassOptionsObject.h
Lightmass Options Object Property window wrapper for various Lightmass settings
class ULightmassOptionsObject : public [UObject](API\Runtime\CoreUObject\UObject\UObject)
FLightmassDebug...
DebugSettings
FSwarmDebugOpti...
SwarmSettings